Industrial truck with a camera device

Abstract

An industrial truck, in particular a fork lift truck, has a driver's seat that is oriented in the forward direction, at least one screen that is located in the vicinity of the driver's seat, a first camera pointing toward the rear of the industrial truck and at least one additional camera that is directed toward the rear. The first camera is provided to view a distant area and the additional camera is provided to view a near area behind the industrial truck. The image taken with the first camera and/or the image taken with the additional camera can be displayed on the screen. There are advantageously two additional cameras to view the near area.

1. An industrial truck comprising:
 a driver's seat located in a driver's cab of an industrial truck, the driver's seat oriented in a forward direction; 
 at least one screen located in the vicinity of the driver's seat; 
 a counterweight located on a rear of the industrial truck; 
 a first camera pointing toward the rear, the first camera mounted on the rear of the industrial truck to the rear of the driver's seat and above the counterweight at a first height; and 
 two additional cameras directed toward the rear of the industrial truck, wherein the two additional cameras are each mounted on the rear of the industrial truck to the rear of the driver's seat and on an upper segment of the driver's cab at a height greater than the first height, the two additional cameras being spaced outwardly from the first camera on opposing sides of the first camera and each having a diagonally downward directed angle of view, wherein the first camera provides a view of a distant area and the two additional cameras provide a view of a near area behind the industrial truck, and wherein the image taken with the first camera and/or the image taken with the two additional cameras can be displayed on the screens, 
 wherein the screen is effectively connected with an image mixer by which the near area viewed by the first camera and the far area viewed by the two additional cameras can be displayed on the screen simultaneously. 
 
     
     
       2. An industrial truck as claimed in  claim 1 , wherein the two additional cameras are each equipped with a wide-angle lens to view the near area. 
     
     
       3. An industrial truck as claimed  claim 1 , wherein the screen is effectively connected with a switching device by which the far area viewed by the first camera or the near area viewed by the two additional cameras can be selectively displayed on the screen as desired. 
     
     
       4. An industrial truck as claimed  claim 2 , wherein the screen is effectively connected with a switching device by which the far area viewed by the first camera or the near area viewed by the two additional cameras can be selectively displayed on the screen as desired. 
     
     
       5. An industrial truck as claimed in  claim 1 , wherein the screen is effectively connected with an image mixer by which the images taken by the two additional cameras are superimposed on each other on the screen. 
     
     
       6. An industrial truck as claimed in  claim 1 , wherein the screen is located inside a driver's cab of the industrial truck in the vicinity of the legroom for the driver. 
     
     
       7. An industrial truck as claimed in  claim 1 , wherein the industrial truck has a steering device with an electrical steering sensor. 
     
     
       8. An industrial truck as claimed in  claim 7 , the electrical steering sensor is located in the vicinity of an armrest of the driver's seat. 
     
     
       9. An industrial truck as claimed in  claim 1 , wherein the screen is in the form of a flat screen. 
     
     
       10. An industrial truck as claimed in  claim 1 , wherein the industrial truck is in the form of a fork lift truck. 
     
     
       11. An industrial truck as claimed in  claim 1 , wherein each of the two additional cameras is mounted to a rear column of the driver's cab. 
     
     
       12. An industrial truck as claimed in  claim 1 , wherein the two additional cameras are mounted to a top of the driver's cab. 
     
     
       13. An industrial truck as claimed in  claim 1 , wherein the two additional cameras provide a view of a rear area directly behind the industrial truck. 
     
     
       14. An industrial truck as claimed in  claim 1 , wherein the two additional cameras provide a view of a rear area directly behind the counterweight of the industrial truck.